docs: land height is "elevation", not "altitude"

Bruce Momjian <bruce@momjian.us>

Commit: b0b216853883d2384c70fff66cae26b7d54cbc16
Author: Bruce Momjian <bruce@momjian.us>
Date: 2020-04-22T20:23:19Z
Releases: 10.13
docs:  land height is "elevation", not "altitude"

See https://mapscaping.com/blogs/geo-candy/what-is-the-difference-between-elevation-relief-and-altitude
No patching of regression tests.

Reported-by: taf1@cornell.edu

Discussion: https://postgr.es/m/158506544539.679.2278386310645558048@wrigleys.postgresql.org

Backpatch-through: 9.5

Files

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doc/src/sgml/advanced.sgml modified +21 −21
doc/src/sgml/ddl.sgml modified +35 −35

Documentation touched